diff --git a/test/148-multithread-gc-annotations/src/AnnoClass2.java b/test/148-multithread-gc-annotations/src/AnnoClass2.java
index c75d950..b17490f 100644
--- a/test/148-multithread-gc-annotations/src/AnnoClass2.java
+++ b/test/148-multithread-gc-annotations/src/AnnoClass2.java
@@ -19,5 +19,5 @@
 @Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.TYPE)
 public @interface AnnoClass2 {
-    Class value();
+    Class<?> value();
 }